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REJ10J0952-0100
SH7125 CPU Board
M3A-HS25
32
User's Manual
Renesas 32-Bit RISC Microcomputers
TM
SuperH RISC engine Family / SH7125 Group
Rev. 1.0
Issued : July 21, 2006
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Microsoft, MS-DOS, Windows and Windows.NET are registered trademarks of Microsoft Corporation of the U.S. in the U.S. and other countries. IBM and AT are registered trademarks of International Business Machines Corporation of the U.S. Adobe and Acrobat are registered trademarks of Adobe Systems Incorporated. All other brand names and product names are registered trademarks or trademarks of the respective proprietors. Requests for Safety Design • Renesas is constantly making efforts
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Revision History SH7125 CPU Board M3A-HS25User's Manual Rev. Date of Issue Content of Revision Page Page 1.0 July 21, 2006 - First edition issued.
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Table of Contents Chapter1 Overview ..............................................................................................................................1-1 1.1 Overview .................................................................................................................................................................... 1-2 1.2 Configuration................................................................................................................................
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Chapter1Overview Chapter1 Overview 1-1
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Overview 1 1.1 Overview 1.1 Overview The M3A-HS25 is the CPU board designed for users to evaluate the functionality and performance of the SH7125 group of Renesas Technology original microcomputers, as well as develop and evaluate the application software for this group of microcomputers. The SH7125's internal peripheral circuit function pins are connected to the extension connector of the M3A-HS25, allowing users to evaluate the timing relationship with peripheral devices using measur
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Overview 1 1.3 External Specifications 1.3 External Specifications Table1.3.1 lists external specifications of M3A-HS25. Table1.3.1 External Specifications of M3A-HS25 No. Item Content SH7125 • Input(XIN) clock : 12.5MHz • CPU clock : 50MHz, max 1 CPU • Peripheral clock : 25MHz, max • On-chip memory Flash memory : 128KB RAM : 8KB • Extension connector 2 Connectors • Serial Port connector (D-sub 9pins) • H-UDI connector (14pins) • POWER LED (1pc.) 3 LED • User LED (6pcs.)
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Overview 1 1.4 External View 1.4 External View Figure1.4.1 shows the external view of M3A-HS25. Figure1.4.1 External View of M3A-HS25 Rev.1.0 July 21, 2006 1-4 REJ10J0952-0100
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Overview 1 1.5 M3A-HS25 Block Diagram 1.5 M3A-HS25 Block Diagram Figure1.5.1 shows the system block diagram of M3A-HS25. H-UDI connector Serial Port Connector (14-pin) User Trough-hole area SCI0 or SCI1 H-UDI (12×8pc.) XIN(12.5MHz) SH7125 (50MHz) SH7125 CPU board M3A-HS25 Extension Connector Extension Connector (Common use for (Exclusive use for 48 pins version) 64 pins version) Figure1.5.1 System Block Diagram of M3A-HS25 Rev.1.0 July 21, 2006 1-5 REJ10J0952-0100
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Overview 1 1.6 M3A-HS25 Board Overview 1.6 M3A-HS25 Board Overview Figure1.6.1 shows the M3A-HS25 board overview. JP2 FWE Pin JP1 J3 UH1 SW1 Select Power Supply Power Supply User through-hole(12×8 ） Power Switch Jumper Select Jumper Connector J4 External Power Supply Connector * LED1 Power LED J7 SW4 Extension Connector * DIP switch for System Setting X1 J2 Serial Port Connector U1 SH7125 LED2-7 U2 User LED U3 U4 J1 H-UDI Connector SW2 Reset Swit
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Overview 1 1.6 M3A-HS25 Board Overview Table1.6.1 lists main components mounted in M3A-HS25. Table1.6.1 Main Components Mounted in M3A-HS25 Parts number for Symbol Parts Name Remarks recommended components that are not mounted U1 CPU SH7125 (Renesas) U1 CPU Socket NQPACK064SD U2 RS-232C Driver U3 Reset IC M51957BFP (Renesas) U4 Logic IC U5 Logic IC X1 Oscillator 12.5MHz X2 Ceramic Resonator Not mounted CSTCE-G12M5 (Murata) J1 H-UDI Connector J2 Serial Port Connector
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Overview 1 1.7 M3A-HS25 Memory Mapping 1.7 M3A-HS25 Memory Mapping Figure1.7.1 show a memory mapping example of SH7125 in the M3A-HS25. Logical space of the SH7125 Memory Mapping MCU mode 3 of the M3A-HS25 （Single Chip mode） H ’0000 0000 H ’0000 0000 On-chip ROM On-chip ROM (128KB) (128KB) H ’0001 FFFF H ’0001 FFFF H ’0002 0000 H ’0002 0000 Reserved Reserved H ’FFFF 9FFF H ’FFFF 9FFF H ’FFFF A000 H ’FFFF A000 On-chip RAM On-chip RAM (8KB) (8KB) H ’FFFF BFFF H ’FFFF BFFF H ’FFFF C000 H ’
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Overview 1 1.8 Absolute Maximum Ratings 1.8 Absolute Maximum Ratings Table1.8.1 lists the absolute maximum ratings of M3A-HS25. Table1.8.1 Absolute Maximum Ratings of M3A-HS25 Symbol Parameter Rated Value Remarks VCC 5V System Power Supply Voltage -0.3V to 6.0V Relative to VSS Topr Operating Ambient Temperature -5 °C to 55 °C No dewdrops allowed. Use in corrosive gas environment prohibited. Tstr Storage Ambient Temperature -10 °C to 60 °C No dewdrops allowed. Use in corrosive gas
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Overview 1 1.8 Absolute Maximum Ratings * This is a blank page * Rev.1.0 July 21, 2006 1-10 REJ10J0952-0100
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Chapter2Functional Overview Chapter2 Functional Overview 2-1
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Functional Overview 2 2.1 Functional Overview 2.1 Functional Overview The M3A-HS25 is the SH7125 CPU board that has functions listed in Table2.1.1. Table2.1.1 lists functional modules of M3A-HS25. Table2.1.1 Functional Modules of M3A-HS25 Section Function Content 2.2 CPU SH7125 • Input(XIN) clock : 12.5MHz • CPU clock : 50MHz, max • On-chip Memory - Flash memory : 128KB - RAM : 8KB 2.3 Serial Port Interface Connects SCI0 or SCI1 of the SH7125 to the UART connector 2.4 Input/
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Functional Overview 2 2.2 CPU 2.2 CPU The M3A-HS25 contains the 32-bit RISC microcomputer SH7125 that operates with a maximum 50MHz of CPU clock frequency. The SH7125 includes 128-Kbyte flash memory, and 8-Kbyte SRAM, making it useful in a wide range of applications from data processing to equipment control. The M3A-HS25 can be operated with a maximum 50MHz of CPU clock frequency using a 12.5MHz input clock. Figure2.2.1 shows the block diagram of SH7125 in the M3A-HS25. SH7125 PA0
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Functional Overview 2 2.3 Serial Port Interface 2.3 Serial Port Interface The SH7125 included in the M3A-HS25 contains a UART module. In the M3A-HS25, the pins of SCI channel 0 or SCI channel 1 can be connected to J2 (Serial Port connector). The pins of SCI channel 1 (RXD1(PA3) pin and TXD 1 (PA4)pin) are also connected to H-UDI connector, and extension connector (J5, J7). Switch the setting of the JP3 and JP4 according to the connector used. Figure2.3.1 shows the block diagram of seri
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Functional Overview 2 2.4 I/O Ports 2.4 I/O Ports In the M3A-HS25, all of the SH7125's I/O ports are connected to the extension connector. Some I/O ports are connected to DIP switches and LEDs of the M3A-HS25 board. Users are free to use these ports. Figure2.4.1 shows the block diagram of DIP switch and LEDs in the M3A-H25. Table2.4.1 shows functions of SH7125 I/O ports in the M3A-HS25. VCC H2 H7 H6 H5 H4 H3 SH7125 LED2 Green LED5 LED3 LED7 LED4 PE9/TIOC3B LED6 Green Green Green Gre
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Functional Overview 2 2.4 I/O Ports Table2.4.1 Functions of SH7125 I/O Ports Port Pin Name Connection in the M3A-HS25 __________ PA0 PA0/POE0/RXD0 Extension Connector (J5) __________ PA1 PA1/POE1/TXD0 Extension Connector (J5) PA2 PA2/IRQ0/SCK0 Extension Connector (J6), IRQ0 switch(SW6) __________ PA3 PA3/IRQ1/RXD1/TRST H-UDI Connector(J1), Extension Connector (J5,J7), Serial Port Select Jumper(JP4) PA4 PA4/IRQ2/TXD1/TMS H-UDI Connector (J1), Extension Connector (J5,J7), Serial Port Sele
